public PEDeltaAssemblyBuilder(
SourceAssemblySymbol sourceAssembly,
string outputName,
OutputKind outputKind,
ModulePropertiesForSerialization serializationProperties,
IEnumerable<ResourceDescription> manifestResources,
Func<AssemblySymbol, AssemblyIdentity> assemblySymbolMapper,
EmitBaseline previousGeneration,
IEnumerable<SemanticEdit> edits)
: base(sourceAssembly, outputName, outputKind, serializationProperties, manifestResources, assemblySymbolMapper, additionalTypes: ImmutableArray<NamedTypeSymbol>.Empty)
{
var context = new Context(this, null, new DiagnosticBag());
var module = previousGeneration.OriginalMetadata;
var compilation = sourceAssembly.DeclaringCompilation;
var metadataAssembly = compilation.GetBoundReferenceManager().CreatePEAssemblyForAssemblyMetadata(AssemblyMetadata.Create(module), MetadataImportOptions.All);
var metadataDecoder = new Microsoft.CodeAnalysis.CSharp.Symbols.Metadata.PE.MetadataDecoder(metadataAssembly.PrimaryModule);
previousGeneration = EnsureInitialized(previousGeneration, metadataDecoder);
var matchToMetadata = new SymbolMatcher(previousGeneration.AnonymousTypeMap, sourceAssembly, context, metadataAssembly);
SymbolMatcher matchToPrevious = null;
if (previousGeneration.Ordinal > 0)
{
var previousAssembly = ((CSharpCompilation)previousGeneration.Compilation).SourceAssembly;
var previousContext = new Context((PEModuleBuilder)previousGeneration.PEModuleBuilder, null, new DiagnosticBag());
matchToPrevious = new SymbolMatcher(previousGeneration.AnonymousTypeMap, sourceAssembly, context, previousAssembly, previousContext);
}
this.previousDefinitions = new DefinitionMap(previousGeneration.OriginalMetadata.Module, metadataDecoder, matchToMetadata, matchToPrevious, GenerateMethodMap(edits));
this.previousGeneration = previousGeneration;
this.changes = new SymbolChanges(this.previousDefinitions, edits);
}
object Cci.IMarshallingInformation.GetCustomMarshaller(Emit.Context context)
{
Debug.Assert(marshalType == Cci.Constants.UnmanagedType_CustomMarshaler);
var typeSymbol = marshalTypeNameOrSymbol as ITypeSymbol;
if (typeSymbol != null)
{
return(((Emit.CommonPEModuleBuilder)context.Module).Translate(typeSymbol, context.SyntaxNodeOpt, context.Diagnostics));
}
else
{
Debug.Assert(marshalTypeNameOrSymbol == null || marshalTypeNameOrSymbol is string);
return(marshalTypeNameOrSymbol);
}
}
IEnumerable <Cci.IFileReference> Cci.IAssembly.GetFiles(Microsoft.CodeAnalysis.Emit.Context context)
{
if (lazyFiles.IsDefault)
{
var builder = ArrayBuilder <Cci.IFileReference> .GetInstance();
try
{
var modules = sourceAssembly.Modules;
for (int i = 1; i < modules.Length; i++)
{
builder.Add((Cci.IFileReference)Translate(modules[i], context.Diagnostics));
}
foreach (ResourceDescription resource in ManifestResources)
{
if (!resource.IsEmbedded)
{
builder.Add(resource);
}
}
// Dev12 compilers don't report ERR_CryptoHashFailed if there are no files to be hashed.
if (ImmutableInterlocked.InterlockedInitialize(ref lazyFiles, builder.ToImmutable()) && lazyFiles.Length > 0)
{
if (!CryptographicHashProvider.IsSupportedAlgorithm(sourceAssembly.AssemblyHashAlgorithm))
{
context.Diagnostics.Add(new CSDiagnostic(new CSDiagnosticInfo(ErrorCode.ERR_CryptoHashFailed), NoLocation.Singleton));
}
}
}
finally
{
builder.Free();
}
}
return(lazyFiles);
}
internal override IEnumerable<Cci.INamespaceTypeDefinition> GetTopLevelTypesCore(Context context)
{
return this.changes.GetTopLevelTypes(context);
}
ITypeReference ICustomModifier.GetModifier(Context context)
{
throw new NotImplementedException();
}
Cci.PrimitiveTypeCode Cci.ITypeReference.TypeCode(Context context)
{
return Cci.PrimitiveTypeCode.NotPrimitive;
}
Cci.ITypeDefinition Cci.ITypeReference.GetResolvedType(Context context)
{
return null;
}
public IEnumerable<INamespaceTypeDefinition> GetTopLevelTypes(Context context)
{
var module = (CommonPEModuleBuilder)context.Module;
foreach (var type in module.GetAnonymousTypes())
{
yield return type;
}
foreach (var symbol in this.changes.Keys)
{
var typeDef = symbol as ITypeDefinition;
if (typeDef != null)
{
var namespaceTypeDef = typeDef.AsNamespaceTypeDefinition(context);
if (namespaceTypeDef != null)
{
yield return namespaceTypeDef;
}
}
}
}
protected override IEnumerable<Cci.ITypeReference> GetConstraints(Context context)
{
return ((Cci.IGenericParameter)UnderlyingTypeParameter).GetConstraints(context);
}
Cci.IAssemblyReference Cci.IModuleReference.GetContainingAssembly(Context context)
{
return this;
}
Cci.IUnitReference Cci.INamespaceTypeReference.GetUnit(Context context)
{
return ErrorAssembly.Singleton;
}
Cci.ITypeDefinition Cci.ITypeReference.AsTypeDefinition(Context context)
{
return null;
}
Cci.INamespaceTypeDefinition Cci.ITypeReference.AsNamespaceTypeDefinition(Context context)
{
return null;
}
protected override Cci.IMetadataConstant GetDefaultValue(Context context)
{
return UnderlyingParameter.GetMetadataConstantValue(context);
}
protected override System.Reflection.MethodImplAttributes GetImplementationAttributes(Context context)
{
return UnderlyingMethod.ImplementationAttributes;
}
System.Collections.Generic.IEnumerable<Cci.ICustomAttribute> Cci.IReference.GetAttributes(Context context)
{
return SpecializedCollections.EmptyEnumerable<Cci.ICustomAttribute>();
}
Cci.ITypeReference Cci.IMarshallingInformation.GetSafeArrayElementUserDefinedSubtype(Emit.Context context)
{
Debug.Assert(marshalType == UnmanagedType.SafeArray);
if (marshalTypeNameOrSymbol == null)
{
return(null);
}
return(((Emit.CommonPEModuleBuilder)context.Module).Translate((ITypeSymbol)marshalTypeNameOrSymbol, context.SyntaxNodeOpt, context.Diagnostics));
}
Cci.IDefinition Cci.IReference.AsDefinition(Context context)
{
return null;
}
public void EmitMetadataOnly_SynthesizedExplicitImplementations()
{
var ilAssemblyReference = TestReferences.SymbolsTests.CustomModifiers.CppCli.dll;
var libAssemblyName = "SynthesizedMethodMetadata";
var exeAssemblyName = "CallSynthesizedMethod";
// Setup: CppBase2 has methods that implement CppInterface1, but it doesn't declare
// that it implements the interface. Class1 does declare that it implements the
// interface, but it's empty so it counts on CppBase2 to provide the implementations.
// Since CppBase2 is not in the current source module, bridge methods are inserted
// into Class1 to implement the interface methods by delegating to CppBase2.
var libText = @"
public class Class1 : CppCli.CppBase2, CppCli.CppInterface1
{
}
";
var libComp = CreateCompilationWithMscorlib(
text: libText,
references: new MetadataReference[] { ilAssemblyReference },
compOptions: TestOptions.Dll,
assemblyName: libAssemblyName);
Assert.False(libComp.GetDiagnostics().Any());
EmitResult emitResult;
byte[] dllImage;
using (var output = new MemoryStream())
{
emitResult = libComp.EmitMetadataOnly(output);
dllImage = output.ToArray();
}
Assert.True(emitResult.Success);
emitResult.Diagnostics.Verify();
Assert.True(dllImage.Length > 0, "no metadata emitted");
// NOTE: this DLL won't PEVerify because there are no method bodies.
var class1 = libComp.GlobalNamespace.GetMember<SourceNamedTypeSymbol>("Class1");
// We would prefer to check that the module used by Compiler.Emit does the right thing,
// but we don't have access to that object, so we'll create our own and manipulate it
// in the same way.
var module = new PEAssemblyBuilder((SourceAssemblySymbol)class1.ContainingAssembly, null,
OutputKind.DynamicallyLinkedLibrary, GetDefaultModulePropertiesForSerialization(), SpecializedCollections.EmptyEnumerable<ResourceDescription>());
Compiler.CompileSynthesizedMethodMetadata(libComp, module, default(CancellationToken));
var class1TypeDef = (Cci.ITypeDefinition)class1;
var symbolSynthesized = class1.GetSynthesizedExplicitImplementations(CancellationToken.None);
var context = new Microsoft.CodeAnalysis.Emit.Context(module, null, new DiagnosticBag());
var cciExplicit = class1TypeDef.GetExplicitImplementationOverrides(context);
var cciMethods = class1TypeDef.GetMethods(context).Where(m => ((MethodSymbol)m).MethodKind != MethodKind.Constructor);
context.Diagnostics.Verify();
var symbolsSynthesizedCount = symbolSynthesized.Length;
Assert.True(symbolsSynthesizedCount > 0, "Expected more than 0 synthesized method symbols.");
Assert.Equal(symbolsSynthesizedCount, cciExplicit.Count());
Assert.Equal(symbolsSynthesizedCount, cciMethods.Count());
var libAssemblyReference = new MetadataImageReference(dllImage.AsImmutableOrNull());
var exeText = @"
class Class2
{
public static void Main()
{
CppCli.CppInterface1 c = new Class1();
c.Method1(1);
c.Method2(2);
}
}
";
var exeComp = CreateCompilationWithMscorlib(
text: exeText,
references: new MetadataReference[] { ilAssemblyReference, libAssemblyReference },
assemblyName: exeAssemblyName);
Assert.False(exeComp.GetDiagnostics().Any());
using (var output = new MemoryStream())
{
emitResult = exeComp.Emit(output);
Assert.True(emitResult.Success);
emitResult.Diagnostics.Verify();
output.Flush();
Assert.True(output.Length > 0, "no metadata emitted");
}
// NOTE: there's no point in trying to run the EXE since it depends on a DLL with no method bodies.
}
protected override Cci.IMetadataConstant GetCompileTimeValue(Context context)
{
return UnderlyingField.GetMetadataConstantValue(context);
}